NK-21

Manufacturer Name: NK-21. Government Designation: 11D53. Other Designations: NK-9V. Designer: Kuznetsov. Developed in: 1962-72. Application: N-1 stage 3 (block V). Propellants: Lox/Kerosene. Isp: 318 sec. Chambers: 1. Country: Russia. Status: Out of production. First Flight: 1969. Last Flight: 1972. Flown: 16.

Based on NK-9 engine. Propellants kerosene T-1 / LOX. 4 engines used in N-1 stage 3 (block V).

NK-21 used on Rocket Stages

Used on stage: N1 Block V. on launch vehicle: N1.

Bibliography and Further Reading

Anisimov, V S; Lacefield, T C; Andrews, J, AIAA Joint Propulsion Conference, "Evolution of the NK-33 and NK-43 reusable LOX/kerosene engines", via Dietrich Haeseler.

Russian Space Industry, Federation of American Scentists Web Pages, 1998 via Dietrich Haeseler. Accessed at: http://www.fas.org/spp/civil/russia/.

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